Institution: | a Faculty of Management, AGH-University of Science and Technology, Poland b Faculty of Materials Science and Ceramics, AGH-University of Science and Technology, Poland c Quantachrome Instruments, 1900 Corporate Drive, Boynton Beach, FLF 33426, USA d Faculty of Fuels and Energy, AGH-University of Science and Technology, Al. Mickiewicza 30, 30-059 Kraków, Poland |